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d39c38d2bc
Switch to MC for instruction printing. This encompasses several changes which are all interconnected: - Use the MC framework for printing almost all instructions. - AsmStrings are now live. - This introduces an indirection between LLVM vregs and WebAssembly registers, and a new pass, WebAssemblyRegNumbering, for computing a basic the mapping. This addresses some basic issues with argument registers and unused registers. - The way ARGUMENT instructions are handled no longer generates redundant get_local+set_local for every argument. This also changes the assembly syntax somewhat; most notably, MC's printing does not use sigils on label names, so those are no longer present, and push/pop now have a sigil to keep them unambiguous. The usage of set_local/get_local/$push/$pop will continue to evolve significantly. This patch is just one step of a larger change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@252910 91177308-0d34-0410-b5e6-96231b3b80d8
55 lines
1.4 KiB
LLVM
55 lines
1.4 KiB
LLVM
; RUN: llc < %s -asm-verbose=false | FileCheck %s
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; Test that basic loads are assembled properly.
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target datalayout = "e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; CHECK-LABEL: ldi32:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: .local i32, i32{{$}}
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; CHECK-NEXT: i32.load $push, (get_local 0){{$}}
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; CHECK-NEXT: set_local 1, $pop{{$}}
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; CHECK-NEXT: return (get_local 1){{$}}
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define i32 @ldi32(i32 *%p) {
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%v = load i32, i32* %p
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ret i32 %v
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}
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; CHECK-LABEL: ldi64:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i64{{$}}
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; CHECK-NEXT: .local i32, i64{{$}}
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; CHECK-NEXT: i64.load $push, (get_local 0){{$}}
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; CHECK-NEXT: set_local 1, $pop{{$}}
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; CHECK-NEXT: return (get_local 1){{$}}
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define i64 @ldi64(i64 *%p) {
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%v = load i64, i64* %p
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ret i64 %v
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}
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; CHECK-LABEL: ldf32:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result f32{{$}}
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; CHECK-NEXT: .local i32, f32{{$}}
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; CHECK-NEXT: f32.load $push, (get_local 0){{$}}
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; CHECK-NEXT: set_local 1, $pop{{$}}
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; CHECK-NEXT: return (get_local 1){{$}}
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define float @ldf32(float *%p) {
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%v = load float, float* %p
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ret float %v
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}
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; CHECK-LABEL: ldf64:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result f64{{$}}
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; CHECK-NEXT: .local i32, f64{{$}}
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; CHECK-NEXT: f64.load $push, (get_local 0){{$}}
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; CHECK-NEXT: set_local 1, $pop{{$}}
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; CHECK-NEXT: return (get_local 1){{$}}
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define double @ldf64(double *%p) {
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%v = load double, double* %p
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ret double %v
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}
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